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TITLE:           GCN/OGLE NOTICE
NOTICE_DATE:     Mon 13 May 19 19:15:39 UT
NOTICE_TYPE:     OGLE Lensing Event
SRC_ID_NUM:      201900721
SRC_RA:          270.4467d {+18h 01m 47s} (J2000),
                 270.7529d {+18h 03m 01s} (current),
                 269.6528d {+17h 58m 37s} (1950)
SRC_DEC:         -28.8542d {-28d 51' 14"} (J2000),
                 -28.8531d {-28d 51' 10"} (current),
                 -28.8544d {-28d 51' 15"} (1950)
DISCOVERY_DATE:  18586 TJD;   103 DOY;   19/04/13 (yy/mm/dd)
DISCOVERY_TIME:  69339 SOD {19:15:39.00} UT
LEAD_TIME:       61.507 [days]
MAX_DATE:        18648 TJD;   165 DOY;   19/06/14 (yy/mm/dd)
MAX_TIME:        26784 SOD {07:26:24.00} UT
MAX_UNCERT:      2.210 [days]
CUSP_WIDTH:      25.08 +/- 1.46 [days]
u0:              0.00 +/- 0.34 [RingUnits]
MAX_MAG:         7.7 mag (estimated)
BASE_MAG:        18.36 +/- 0.00 [mag]
AMPLIFICATION:   140.21 +/- 0.00 factor
LC_URL:          http://www.astrouw.edu.pl/~ogle/ogle4/ews/blg-0721.html
SUN_POSTN:        50.34d {+03h 21m 22s}  +18.46d {+18d 27' 21"}
SUN_DIST:        141.76 [deg]   Sun_angle= 9.3 [hr] (West of Sun)
MOON_POSTN:      168.80d {+11h 15m 11s}   +9.50d {+09d 30' 08"}
MOON_DIST:       104.99 [deg]
GAL_COORDS:        1.86, -3.01 [deg] galactic lon,lat of the burst
ECL_COORDS:      270.39, -5.42 [deg] ecliptic lon,lat of the burst
COMMENTS:        OGLE Gravitational Lensing Event.  
COMMENTS:        WARNING: Amax_error was 'nan'.